<template>
  <div>
     <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
       <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
       <el-breadcrumb-item>数据统计</el-breadcrumb-item>
       <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 100%;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
// 导入echarts插件
import echarts from 'echarts'

export default {
  name: 'report',
  data() {
    return {
      // 需要合并的对象
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        }
      }
    }
  },
  mounted() {
    // 请求数据
    this.$http.get('reports/type/1').then(res => {
      const result = res.data
      if (result.meta.status !== 200) return this.$message.error('获取数据失败')
      // 使用刚指定的配置项和数据显示图表。
      const resultOption = Object.assign(result.data, this.options)
      console.log(resultOption);
      myChart.setOption(resultOption);
    })
    // 要先有dom 再去执行
    const myChart = echarts.init(document.getElementById('main'))
  },
}

</script>

<style lang="stylus" scoped>

</style>